That's why I put together this 90-second Berkshire Hathaway (BRK.B) stock investment analysis just for you. S&P500 vs Berkshire Hathaway - Which Is The Better Investment? - Duration: 8:41. Stock quote and company snapshot for BERKSHIRE HATHAWAY INC (BRK/B), including profile, stock chart, recent news and events, analyst opinions, and research reports. Berkshire Hathaway Inc. has two classes of common stock designated Class A and Class B: A share of Class B common stock has the rights of 1/1,500th of a share of Class A common stock except that a Class B share has 1/10,000th of the voting rights of a Class A share (rather than 1/1,500th of the vote).; Each share of a Class A common stock is convertible at any time, at the holder's option